Watch a creep glimpse and brake out photos of the renewed matter of THE BIG BANG THEORY titled "The Plimpton Stimulation" Season 3 Episode 21 airing Monday, May 10 (9:31-10:01 PM, ET/PT) on the CBS Television Network. Episode Synopsis: The Big Bang Theory "The Plimpton Stimulation" Season 3 Episode 21 - Leonard and Sheldon battle for the concentration of a notable female physicist, on THE BIG BANG THEORY, Monday, May 10 (9:31-10:01 PM, ET/PT) on the CBS Television Network. Judy Greer ("Arrested Development," "13 Going on 30") Guest Stars As Dr. Elizabeth Plimpton.
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